What cover and core does the 900 Global Portal use?
900 Global Portal Bowling Ball
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Open Oct 08, 2026 - 02:17 PM
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Staff Answer
Oct 08, 2026 - 02:17 PM
The Portal pairs 900 Global's RB 92 Solid Reactive coverstock, factory finished with Storm's Power Edge polish, with the asymmetric Conduit A.I. Core. At 15 pounds the core measures a 2.59 RG, a .050 differential and a .019 intermediate differential, per the manufacturer's specs. That high RG with a strong differential is meant to push the ball through the front of the lane and then flare hard down lane.
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900 Global Portal Bowling Ball
What should I know about the Portal? • Asymmetric Conduit A.I. Core: high 2.59 RG clears the front, .050 differential unloads down lane • Stronger RB 92 Solid Reactive cover at a Power Edge finish for optimal traction • One of the sharpest backends 900 Global has ever built, for medium-heavy to heav...
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